All names: J1316+1916, SDSS J131606.82+191602.8, LAMOST J131606.82+191602.8, Gaia DR3 3939691969258025216, GALEX J131606.8+191603, Gaia DR2 3939691969258025216, SDSS J131606.82+191602.9, Gaia EDR3 3939691969258025216
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Coutu et al. 2019 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 16 06.82 (0.1) | 13 16 06.82 | 13 16 06.82 | 13 16 06.82 (0.2) | 13 16 06.82 | 13 16 06.82 (0.1) | 13 16 06.82 | ||||
| Declination | 19 16 02.58 (0.1) | 19 16 02.83 | 19 16 02.94 | 19 16 02.59 (0.2) | 19 16 02.58 | 19 16 02.94 (0.1) | 19 16 02.85 | ||||
| Spectral type | DZA | DA | DZA | DZA | DA | ||||||
| Effective temperature | [K] | 12686.0 (674) | 13378.0 (773) | 12591.0 (311) | |||||||
| log(g) | [cgs] | 8.11 | 8.20 (0.06) | 8.47 (0.2) | |||||||
| Mass | [M☉] | 0.6548 | 0.734 (0.05) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.3930 | |||||||||
| log(H/He) | -4.2151 (0.2) | ||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | -8.8437 (0.2) | ||||||||||
| log(Ca/H) | |||||||||||
| log(N/He) | |||||||||||
| log(O/He) | |||||||||||
| log(Na/He) | |||||||||||
| log(Mg/He) | |||||||||||
| log(Al/He) | |||||||||||
| log(Si/He) | |||||||||||
| log(P/He) | |||||||||||
| log(S/He) | |||||||||||
| log(Cl/He) | |||||||||||
| log(Sc/He) | |||||||||||
| log(Ti/He) | |||||||||||
| log(V/He) | |||||||||||
| log(Cr/He) | |||||||||||
| log(Mn/He) | |||||||||||
| log(Fe/He) | |||||||||||
| log(Co/He) | |||||||||||
| log(Ni/He) | |||||||||||
| log(Cu/He) | |||||||||||
| log(Zn/He) | |||||||||||
| log(Ga/He) | |||||||||||
| log(Ge/He) | |||||||||||
| log(Sr/He) | |||||||||||
| Parallax | [mas] | 4.22 (0.2) | 4.35 | 4.35 (0.3) | 4.22 | 4.22 (0.2) | |||||
| Distance | [pc] | 237.01 (11) | 230.03 (13) | 230.03 (13) | 237.01 | 237.01 (11) | |||||
| Composition | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -0.139219326 (0.2) | 0.686626848 (0.5) | -0.139 (0.2) | |||||||
| Proper motion (declination) | [mas/yr] | -22.79106213 (0.2) | -22.697465 (0.5) | -22.791 (0.2) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 18.65 (0.02) | 18.65 (0.02) | 18.66 (0.03) | ||||||||
| g magnitude | 18.65 (0.008) | 18.65 (0.008) | 18.67 (0.03) | ||||||||
| r magnitude | 18.87 (0.01) | 18.87 (0.01) | 18.87 (0.02) | ||||||||
| i magnitude | 19.02 (0.01) | 19.02 (0.01) | 19.02 (0.03) | ||||||||
| z magnitude | 19.36 (0.05) | 19.36 (0.05) | 19.39 (0.05) | ||||||||
| G magnitude | 18.73 (0.02) | 18.77 | 18.73 | 18.73 (0.003) | |||||||
| BP magnitude | 18.71 (0.02) | 18.64 | |||||||||
| RP magnitude | 18.78 (0.03) | 18.78 | |||||||||
| Pan g magnitude | 18.65 (0.007) | ||||||||||
| Pan r magnitude | 18.87 (0.005) | ||||||||||
| Pan i magnitude | 19.08 (0.007) | ||||||||||
| Pan z magnitude | 19.26 (0.02) | ||||||||||
| Pan y magnitude | 19.37 (0.03) | ||||||||||
| E(B-V) | 0.022 | ||||||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.